>> guest: the u.s. is actually good. the u.s. is better than many european countries and generally speaking the u.s. archives are easy to use. the cia archives are harder to use. i would actually argue they could be -- you don't want to show from the last 20 years but i know people who have had trouble getting access and in the 40s and 50's. the national archive, i haven't actually worked in the american archives with some friends abort there. i know it's not hard to use. c-span: go back to where you started this book in 1944 and go to 1956. how did the soviets takeover eastern europe? what did they use? you mentioned a lot of stuff earlier but specifically? .. what he did to make sure that he had enough influence, because he set up -- i'll choose three institutions in particular that he felt were important. number one was the secret police. he created domain of these countries, the red army in conjunction with the kgb, secret police forces speaking the local languages. sometimes people coming from the soviet union, sometimes for